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Class Information
Number: 55/DIG.24
Name: Gas separation > Viscous coated filter
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8313545 Air filter assembly for combustion tool Nov. 20, 2012
8052771 Removable dust collecting device for an air conduit Nov. 8, 2011
8038777 Air sterilization device with low aerosol bounce Oct. 18, 2011
7556663 Dual pleated air filter Jul. 7, 2009
6926750 Filter element Aug. 9, 2005
6818037 Filter element Nov. 16, 2004
6811588 High capacity hybrid multi-layer automotive air filter Nov. 2, 2004
6652748 Treated filter media and frame Nov. 25, 2003
6464761 Air induction filter assembly Oct. 15, 2002
6171354 Self-adhesive air filter for forced air climate control system Jan. 9, 2001
6010401 Germ removing device for air supply systems Jan. 4, 2000
5951745 Environmentally benign, washable wet filter Sep. 14, 1999
5667544 Extended life filter apparatus Sep. 16, 1997
5573811 Air filter and method of construction Nov. 12, 1996
5547641 Catalytic converter exhaust section for an internal combustion engine Aug. 20, 1996
5525136 Gasketed multi-media air cleaner Jun. 11, 1996
5437701 Air filter and method of construction Aug. 1, 1995
5269925 Filter comprising multiple layers of non-woven filter fabric of decreasing porosity Dec. 14, 1993
5112369 Method of applying a wettant to a filtering media May. 12, 1992
4350507 Respirable particle sampling instruments Sep. 21, 1982











 
 
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